J7KNA-AR-31 110

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Contactor (Electromechanical)

A contactor (electromechanical) is a device used to control the flow of electrical current within an electrical system. It is commonly used to provide a safe, efficient and reliable method of switching on and off an electrical circuit. The J7KNA-AR-31 110 contactor is a motor starter that is used in many different applications. In this article, we will discuss the application field and working principle of the J7KNA-AR-31 110 contactor.

Application Field of J7KNA-AR-31 110 Contactor

The J7KNA-AR-31 110 contactor is used in a variety of applications including HVAC systems, air conditioners, refrigerators, water heaters, pumps, vacuum cleaners, and other industrial and commercial machinery. This particular contactor is rated at 110 amp and 600 VAC, making it suitable for controlling moderate to high current applications. It has a single pole, double throw (SPDT) switching mechanism, allowing it to control the on/off status of two electrical circuits.

The J7KNA-AR-31 110 contactor is designed to be mounted on a mounting surface such as a panel or control cabinet. It has a jumper for handling a large current of up to 248A while the built-in coil of the contactor can handle a maximum current of 110A. The outer arc extinguish box consists of coordinated/paired contactor and auxiliary contacts which are arranged to provide short circuit protection for safety purposes.

Working Principle of J7KNA-AR-31 110 Contactor

The J7KNA-AR-31 110 contactor works like a switch. When the push button or other manual switch is operated, an electric signal is created, which is then transmitted to the contactor. The electric signal will cause the coil of the contactor to become magnetized, thus creating a magnetic field. This magnetic field will attract the armatures inside the contactor, which will then open or close the two sets of contacts inside the contactor. Once the contacts are engaged, the on/off status of the electrical circuit will be changed accordingly.

The J7KNA-AR-31 110 contactor also has an auxiliary contact that operates in a similar manner. This contact is used to control the status of an additional electrical circuit, such as a warning light or a motor. The contact will be opened or closed depending on the status of the primary contacts inside the contactor.

The J7KNA-AR-31 110 contactor is considered to be a reliable and efficient tool for controlling electrical current within an electrical system. It can be used in a variety of applications to provide safe, efficient and reliable switching on and off of various circuits. It also provides protection against current overloading or short-circuiting due to its built-in arc extinguish box.

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